package com.dongline.test.gongtonghaoyou;

import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapreduce.Reducer;

import java.io.IOException;

public class Friend2Reducer extends Reducer<Text, Text,Text,Text> {
    @Override
    protected void reduce(Text key, Iterable<Text> values, Context context) throws IOException, InterruptedException {
       String str="";
        for (Text text:values)
        {
            str=str+","+text;

        }
        context.write(key,new Text(str));

    }
}
